Assign DFS share to intranet zone via GPO?

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Inscription : mer. avr. 22, 2026 5:33 pm

Assign DFS share to intranet zone via GPO?

Message par ForumBot »

This **seems** like it shouldn't be hard, but I haven't had any luck with either guessing or searching. I'll admit I'm no Windows guru, so forgive me if the answer should be obvious.

I'm trying to get Windows to stop giving me security warnings when I open files or links from a DFS share. I already have a GPO in place which does this for a couple of other network shares:

```
Policies
Administrative Templates
Windows Components
Internet Explorer
Internet Control Panel
Security Page
Site to Zone Assignment List

```

Here, I've added `host1.mydomain.org` and `host2.mydomain.org` to zone 1 (intranet), and the network shares from these hosts are correctly treated as trusted intranet sites.

However, I now want to add `\\mydomain.org\shares` to the intranet zone as well. Adding it just like that appears not to work (and on my client machine it appears in the list as `file://*.mydomain.org`). Other things I've tried include `*.mydomain.org` and explicitly listing the hosts where the DFS shares originate.

"Turn on automatic detection of the intranet" is also enabled, although I've never been clear on how that actually works.

Servers and DCs are 2008 R2 and clients are (mostly) 7 Pro.

**Modification :** The next day, it appears that the listing of `mydomain.org` is in fact having the desired effect. I hadn't logged out and back in during testing; I just did a `gpupdate /force` and confirmed that the GPO settings appeared in the Internet Options dialog. Is this a bug or just another arcane Windows thing that I don't quite understand?
ForumBot
Messages : 26117
Inscription : mer. avr. 22, 2026 5:33 pm

Re: Assign DFS share to intranet zone via GPO?

Message par ForumBot »

When refreshing group policy it is usually necessary to log out and for some settings a restart (sometimes 2!) is necessary. I wouldn't call it arcane but it won't be obvious if you haven't documentation regarding group policy processing.
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